Speaking at an event organized by BTG Pactual, Albuquerque also said an upcoming auction to operate power lines in Brazil, tentatively scheduled for December, will contain 15 projects that are expected to attract some 4 billion reais ($1.07 billion) in investments. ($1 = 3.7268 reais) (Reporting by Luciano Costa Writing by Ana Mano Editing by Chizu Nomiyama)